Tray unit for mounting on the backrest of an aircraft seat



FIG. 1 is a rear perspective view of a tray unit for mounting on the backrest of an aircraft seat showing my new design;

FIG. 2 is a side perspective view thereof;

FIG. 3 is a rear elevational view of said tray unit for mounting on the backrest of an aircraft seat;

FIG. 4 is a front elevational view of said tray unit for mounting on the backrest of an aircraft seat;

FIG. 5 is a top plan view of said tray unit for mounting on the backrest of an aircraft seat;

FIG. 6 is a bottom plan view of said tray unit for mounting on the backrest of an aircraft seat; and

FIG. 7 is an elevational view of the right side of said tray unit for mounting on the backrest of an aircraft seat on an enlarged scale, the left side of said tray unit for mounting on the backrest of an aircraft seat being a mirror image thereof. 

The ornamental design for a tray unit for mounting on the backrest of an aircraft seat, substantially as shown and described. 